On Wed, Mar 26, 2008 at 11:30 PM, Adam Thornton
<[EMAIL PROTECTED]> wrote:

>  Modern Linuxes don't run on p390-class machines anymore, I think.
>  Halfword immediate instructions maybe?

With a proper support contract you could get the microcode that
supports halfway immediate instructions. Early SLES8 kernels I could
still hack to make them run on the P/390.  But when the developers
started to take the XA I/O subsystem for granted (CHSH and friends) I
had to give up.
My last kernel:   Linux lnx00c00 2.4.21-278-rmh5 #9 SMP Wed Mar 8
23:54:13 CET 2006 s390

Rob (running 100 of those on the P/390)
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